CN112030646A - Granular pile construction process for treating highway diseases - Google Patents
Granular pile construction process for treating highway diseases Download PDFInfo
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- CN112030646A CN112030646A CN202010144003.8A CN202010144003A CN112030646A CN 112030646 A CN112030646 A CN 112030646A CN 202010144003 A CN202010144003 A CN 202010144003A CN 112030646 A CN112030646 A CN 112030646A
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- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 24
- 201000010099 disease Diseases 0.000 title claims abstract description 19
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 title claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 33
- 239000008187 granular material Substances 0.000 claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 239000004567 concrete Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000004576 sand Substances 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 5
- 239000011384 asphalt concrete Substances 0.000 claims abstract description 5
- 238000012216 screening Methods 0.000 claims abstract description 5
- 230000000996 additive effect Effects 0.000 claims abstract 2
- 238000003756 stirring Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 6
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/0075—Uses not provided for elsewhere in C04B2111/00 for road construction
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/72—Repairing or restoring existing buildings or building materials
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Ceramic Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Paleontology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
Abstract
The invention belongs to the technical field of highway pavement construction, and provides a granular pile construction process for treating highway diseases, which comprises the following steps: A. measuring and lofting; B. drilling; C. mixing; screening the sand material, mixing cement and sand material, and mixing cement: sand: stone: the weight ratio of the additive is 1: 4: 1: 0.01, forming granules after mixing; D. backfilling; quantitatively backfilling the mixed granules layer by layer into the hole, wherein the backfilling thickness is 50-100cm, and E, tamping and expanding to form a pile; tamping the granular materials layer by using a tamping hammer; F. sealing holes; sealing holes with cement concrete until the pavement is level; G. leveling a road surface; paving asphalt concrete on the pavement with a certain length of subsidence to level the subsided pavement with other pavements; H. detecting; after construction is finished, settlement observation points are arranged on the cross section of the road surface, and observation is performed once every 24 hours by the level gauge, so that the defect that the road needs to be completely closed in the conventional road construction, and the traffic of the road is seriously influenced is overcome.
Description
Technical Field
The invention relates to the technical field of highway pavement construction, in particular to a granular pile construction process for treating highway diseases.
Background
With the continuous development of the urbanization process, the highway mileage is continuously increased; however, various diseases also occur along with the increase of traffic time, wherein pavement settlement is one of the most common diseases which are most likely to occur on roadbed filling road sections, and serious settlement even partial settlement is accompanied by severe longitudinal cracks, thus the driving safety is seriously influenced, and the safe operation of roads is influenced.
In the cement granular pile composite roadbed, the cement granular pile plays a role of a vertical reinforcement, and the strength of the cement granular pile directly determines the bearing capacity of the composite roadbed. The cement aggregate pile is mainly used for treating a roadbed subsidence section which has large water content and broken stone content less than or equal to 30 percent and mainly contains soil, and a composite roadbed is formed by compacting the roadbed so as to improve the overall strength of the roadbed.
The cement aggregate compaction pile is used for reinforcing a settlement road section, the content of broken stones in a filling roadbed is less than 20% -30%, the water content is more than 15%, and a soil body is in a soft plastic-plastic state. In the road maintenance construction process, the working radius of the existing construction method is large, the road needs to be completely closed, and the traffic of the road is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects of the traditional technology, provides a granular pile construction process for treating highway diseases, and solves the problem that the road needs to be completely closed in the existing road construction, and the traffic of the road is seriously influenced.
The technical scheme of the invention is as follows:
a granular pile construction process for treating highway diseases comprises the following steps:
A. measuring and lofting; calculating hole site intervals according to the pore ratio and the water content, and arranging hole sites according to the calculation; measuring the point position of the granular material pile, and marking the point position to determine the depth of the pile bottom relative to the ground;
B. drilling; aligning the center of the drill point of the drilling machine to the midpoint of the pile position according to the measured pile position, and adjusting the level of the drilling machine and the verticality of the drill rod through a double-sided indicator hung on the side surface of the drill rod guide frame;
C. mixing; screening the sand material, mixing cement and sand material, and mixing cement: sand: stone: the weight ratio of the additives is 1: 4: 1: 0.01, forming granules after mixing;
D. backfilling; the mixed granules are quantitatively backfilled into the holes layer by layer, the backfilling thickness is 50-100cm,
E. tamping and expanding to form a pile; and (3) tamping the aggregate layer by using a tamping hammer, and expanding the aggregate horizontally while tamping to be dense to finally form a pile body with the diameter larger than that of the opening.
F. Sealing holes; sealing holes with cement concrete until the pavement is level;
G. leveling a road surface; paving asphalt concrete on the pavement with a certain length of subsidence of the pavement, so that the subsidence pavement is smoothly connected with other pavements;
H. detecting; after construction is finished, settlement observation points are arranged on the cross section of the road surface, and observation is carried out once every 24 hours by the level gauge.
As a preferable technical solution, the tolerance of the verticality in step B is less than 1%.
As an optimal technical scheme, in the step C, manual mixing is adopted, and the mixing frequency is 3 times
The concrete is mixed in a manual mixing mode, 2-3 shovels are used for oppositely turning over cement and aggregate before water is added during mixing, the cement and aggregate are reversely turned over and mixed for 3 times, dry materials are uniform, then water is added, and the concrete is oppositely turned over for 4 times, so that the mixed mixture is saturated and cannot be half-mixed.
And C, as a preferable technical scheme, mechanically mixing the mixture in the step C by adopting a forced concrete mixer, wherein the mixing time is 3 minutes.
The forced concrete mixing machine is used for mixing concrete, so that the discharging speed can be increased, the mixing is more thorough, and the advantage of reducing slurry leakage is achieved.
As a preferable technical scheme, the weight of the rammer used in the step E is 180-240kg, the drop weight height is 2-3 m, and each layer of the aggregates is tamped by 10-15 hammers. The granular material is horizontally expanded while being tamped to be compact, and finally a pile body with the diameter larger than that of the opening is formed.
As a preferred technical scheme, the weight of the rammer used in the step E is 180kg, and the height of the drop hammer is 2 meters. The standard of each layer of stop ramming is that the continuous 3 times of settlement is less than 2 cm.
In a preferable technical scheme, in the step F, C30 cement concrete is adopted as the cement concrete.
As a preferable technical scheme, in the step D, the backfill total amount of the granules is 2-5 times of the pore volume.
In a preferable technical scheme, backfilling is carried out to the position 100cm away from the orifice in the step E, and the operation is stopped.
Due to the adoption of the technical scheme, the invention has the following advantages: in the drilling step, the hole diameter of the drilled hole is only 14 cm, so that the damage to the pavement structure of the construction section is small; in the step of ramming and forming piles, the aggregate is rammed by the weight of a rammer, and the aggregate is compacted and horizontally expanded, so that a pile body with the diameter larger than that of the opening is finally formed, and the treatment of the road surface is improved; in the step of ramming and forming the pile, the weight of the rammer is 180-240kg, so that the conditions of damage and uplift of a pavement structure layer and loosening of soil between two adjacent granular piles cannot be caused; the construction equipment is flexible, the road does not need to be completely closed, and the passing of the road is not influenced.
The present invention will be further described with reference to the following embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used merely for convenience in describing the invention and for simplicity in description, and do not merely indicate or imply that the device or component being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be considered as limiting the scope of the invention, which is further described below.
Example 1: a granular pile construction process for treating highway diseases comprises the following steps:
A. measuring and lofting; arranging a pile position plane position diagram according to a design construction diagram; measuring the point position of the granular material pile, and marking the point position to determine the depth of the pile bottom relative to the ground;
B. drilling; aligning the center of the drill point of the drilling machine to the midpoint of the pile position according to the measured pile position, and adjusting the level of the drilling machine and the verticality of the drill rod through a double-sided indicator hung on the side surface of the drill rod guide frame; in the drilling process, pile position centering and verticality checking are carried out by technicians before each pile is constructed, drilling is carried out after requirements are met, the double-sided indicator is observed at any time, and the drilling machine is prevented from deflecting.
C. Mixing; screening the sand material, mixing cement and sand material, and mixing cement: sand: stone: the weight ratio of the additives is 1: 4: 1: 0.01, forming granules after mixing;
D. backfilling; quantitatively backfilling the mixed granules layer by layer into the hole, wherein the backfilling thickness is 50-100 cm;
E. tamping and expanding to form a pile; tamping the granular materials layer by using a tamping hammer; the granules are expanded horizontally while being compacted, and finally the pile with the diameter larger than the aperture is formed.
F. Sealing holes; sealing holes with cement concrete until the pavement is level;
G. leveling a road surface; paving asphalt concrete on the pavement with a certain length of subsidence of the pavement, so that the subsidence pavement is smoothly connected with other sections of pavements;
H. detecting; after construction is finished, settlement observation points are arranged on the cross section of the road surface, and observation is carried out once every 12 hours by the leveling instrument.
The tolerance of the verticality in step B is less than 1%. And in the drilling process of the drilling machine, the double-sided indicator signs are observed at any time, so that the drilling machine is ensured not to deflect.
And C, manually stirring the mixture for 3 times.
In the process of manual mixing, before water is not added into the concrete, 2-3 shovels are used for oppositely turning over the cement and the sandstone materials, the cement and the sandstone materials are reversely turned over and mixed for 3 times, so that dry materials are uniform, then water is added, and the opposite turning is performed for 4 times, so that the mixed mixture is saturated and cannot be half-mixed.
And E, tamping 10-15 hammers for each layer of granules until the tamping settlement is less than 2cm for 3 times continuously by using the tamping hammers with the weight of 180kg and the height of the drop hammer of 2 m. The tamping is stopped.
In the step F, C30 cement concrete is adopted as the cement concrete.
In the step D, the total backfilling amount of the granules is 2-5 times of the volume in the pores.
And E, backfilling to a position 100cm away from the hole, and stopping operation.
In the step C, the mesh of the sieve is not more than 5 mm.
Example 2: a granular pile construction process for treating highway diseases comprises the following steps:
A. measuring and lofting; arranging a pile position plane position diagram according to a design construction diagram; measuring the point position of the granular material pile, marking the point position, and determining the depth of the pile bottom relative to the ground;
B. drilling; aligning the center of the drill point of the drilling machine to the midpoint of the pile position according to the measured pile position, and adjusting the level of the drilling machine and the verticality of the drill rod through a double-sided indicator hung on the side surface of the drill rod guide frame; in the drilling process, the pile position centering and verticality checking are carried out by technicians before each pile is constructed, the drilling is carried out after the requirements are met, the double-sided indicator is observed at any time, and the drilling machine is ensured not to deflect
C. Mixing; screening the sand material, mixing cement and sand material, and mixing cement: sand: stone: the weight ratio of the additives is 1: 4: 1: 0.01, forming granules after mixing;
D. backfilling; the mixed granules are quantitatively backfilled into the holes layer by layer, the backfilling thickness is 50-100cm,
E. tamping and expanding to form a pile; tamping the granular materials layer by using a tamping hammer;
F. sealing holes; sealing holes with cement concrete until the pavement is level;
G. leveling a road surface; paving asphalt concrete on the pavement with a certain length of subsidence to level the subsided pavement with other pavements;
H. detecting; after construction is finished, settlement observation points are arranged on the cross section of the road surface, and observation is carried out once every 24 hours by the level gauge.
The tolerance of the verticality in step B is less than 1%.
And C, mechanically stirring by adopting a forced concrete stirrer for 3 minutes. The forced concrete stirring machine has the advantages that the stirring shovel is connected with the rotating arm through the cross shaft assembly, and the working gap of the stirring shovel is regulated and controlled through the pull rod or the screw rod, so that the phenomenon of hard material clamping can be prevented, the running resistance is reduced, and the abrasion is reduced. Because the included angle between the working face of the stirring shovel and the advancing direction in the vertical direction and the horizontal direction is an obtuse angle, the stirring effect can be enhanced, and the stirring quality is improved. Through establishing the discharge gate at the feed cylinder lateral wall, but the relative frame lateral swing of feed cylinder to set up clear material scraper blade, can accelerate the ejection of compact, and more thorough, still have the advantage of reducible mud seepage.
In the step E, a rammer with the weight of 240kg and the falling weight height of 3 m is used, and each layer of the aggregates is tamped by 15 hammers. Until the settlement is less than 2cm after 3 times of continuous tamping. The tamping is stopped.
In the case of cement aggregates, the strength is influenced by the moisture content in addition to the dry density, and the strength is greatly influenced by the moisture content higher than the optimum moisture content, so that the moisture content of the filler is as close as possible to the optimum moisture content during the construction, and therefore, the weight of the rammer used in step E is 180kg and the drop height is 2 m.
In the step F, C30 cement concrete is adopted as the cement concrete.
In the step D, the total backfilling amount of the granules is 2-5 times of the volume in the pores.
And E, backfilling to a position 100cm away from the hole, and stopping operation.
In the step C, the mesh of the sieve is not more than 5 mm.
The above examples are only intended to illustrate the technical aspects of the present invention, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. From the above conception, those skilled in the art can make various changes without inventive labor, which fall within the scope of the present invention.
Claims (9)
1. A granular pile construction process for treating highway diseases is characterized by comprising the following steps:
A. measuring and lofting; calculating hole site intervals according to the pore ratio and the water content, and arranging hole sites according to the calculation; measuring the point position of the granular material pile, and marking the point position to determine the depth of the pile bottom relative to the ground;
B. drilling; aligning the center of the drill point of the drilling machine to the midpoint of the pile position according to the measured pile position, and adjusting the level of the drilling machine and the verticality of the drill rod through a double-sided indicator hung on the side surface of the drill rod guide frame;
C. mixing; screening the sand material, mixing cement and sand material, and mixing cement: sand: stone: the weight ratio of the additive is 1: 4: 1: 0.01, mixing to form a mixture;
D. backfilling; the mixed granules are quantitatively backfilled into the holes layer by layer, the backfilling thickness is 50-100cm,
E. tamping and expanding to form a pile; tamping the granular materials layer by using a tamping hammer; the pile can be horizontally expanded while being tamped to be compact, and finally a pile with a diameter larger than the aperture is formed;
F. sealing holes; sealing holes with cement concrete until the pavement is level;
G. leveling a road surface; paving asphalt concrete on the pavement with a certain length of subsidence of the pavement to enable the subsidence pavement to be smoothly connected with other pavements;
H. detecting; after construction is finished, settlement observation points are arranged on the cross section of the road surface, and observation is carried out once every 24 hours by the level gauge.
2. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: the tolerance of the verticality in step B is less than 1%.
3. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: and C, manually stirring the mixture for 3 times.
4. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: and C, mechanically stirring by adopting a forced concrete stirrer for 3 minutes.
5. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: in the step E, the weight of a rammer is 180-240kg, the drop height of the rammer is 2-3 m, and each layer of the aggregates is tamped by 10-15 hammers.
6. The granular pile construction process for treating the road diseases as claimed in claim 5, wherein the granular pile construction process comprises the following steps: in the step E, the weight of the rammer used is 180kg, and the height of the drop hammer is 2 meters.
7. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: in the step F, C30 cement concrete is adopted as the cement concrete.
8. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: in the step D, the total backfilling amount of the granules is 2-5 times of the volume in the pores.
9. The granular pile construction process for treating the road diseases according to claim 1, which is characterized in that: and E, backfilling to a position 100cm away from the hole, and stopping operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144003.8A CN112030646A (en) | 2020-03-04 | 2020-03-04 | Granular pile construction process for treating highway diseases |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010144003.8A CN112030646A (en) | 2020-03-04 | 2020-03-04 | Granular pile construction process for treating highway diseases |
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| CN112030646A true CN112030646A (en) | 2020-12-04 |
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| CN202010144003.8A Pending CN112030646A (en) | 2020-03-04 | 2020-03-04 | Granular pile construction process for treating highway diseases |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763689A (en) * | 2021-01-11 | 2022-07-19 | 新疆北新路桥集团股份有限公司 | Rapid treatment method for highway diseases |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109167A (en) * | 2006-07-21 | 2008-01-23 | 河南万里路桥工程有限公司 | Technique method for processing subgrade disease |
| CN101319500A (en) * | 2008-07-21 | 2008-12-10 | 中铁七局集团第三工程有限公司 | Construction method of static pressure compaction pile |
| RU2449075C1 (en) * | 2010-11-26 | 2012-04-27 | Общество с ограниченной ответственностью "Финансово-Строительная компания "МостГеоЦентр" | Method to strengthen loose natural base for erection of road earth bed |
| CN103061326A (en) * | 2013-01-25 | 2013-04-24 | 黑龙江省公路勘察设计院 | Construction method for reinforcing island-shaped permafrost roadbed through water stable gravel piles |
| CN103590391A (en) * | 2013-11-27 | 2014-02-19 | 温州宏源水电建设有限公司 | Cement-fly-ash-gravel pile foundation reinforcing construction method |
| CN104131564A (en) * | 2013-05-27 | 2014-11-05 | 北京振冲工程机械有限公司 | Manufacturing process of vibration and powder-spraying gravel pile and vibrating equipment of process |
| CN109024544A (en) * | 2018-07-02 | 2018-12-18 | 中国铁路总公司 | The hydraulic high frequency compaction method of collapsible loess tunnel substrate |
-
2020
- 2020-03-04 CN CN202010144003.8A patent/CN112030646A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101109167A (en) * | 2006-07-21 | 2008-01-23 | 河南万里路桥工程有限公司 | Technique method for processing subgrade disease |
| CN101319500A (en) * | 2008-07-21 | 2008-12-10 | 中铁七局集团第三工程有限公司 | Construction method of static pressure compaction pile |
| RU2449075C1 (en) * | 2010-11-26 | 2012-04-27 | Общество с ограниченной ответственностью "Финансово-Строительная компания "МостГеоЦентр" | Method to strengthen loose natural base for erection of road earth bed |
| CN103061326A (en) * | 2013-01-25 | 2013-04-24 | 黑龙江省公路勘察设计院 | Construction method for reinforcing island-shaped permafrost roadbed through water stable gravel piles |
| CN104131564A (en) * | 2013-05-27 | 2014-11-05 | 北京振冲工程机械有限公司 | Manufacturing process of vibration and powder-spraying gravel pile and vibrating equipment of process |
| CN103590391A (en) * | 2013-11-27 | 2014-02-19 | 温州宏源水电建设有限公司 | Cement-fly-ash-gravel pile foundation reinforcing construction method |
| CN109024544A (en) * | 2018-07-02 | 2018-12-18 | 中国铁路总公司 | The hydraulic high frequency compaction method of collapsible loess tunnel substrate |
Non-Patent Citations (1)
| Title |
|---|
| 卢小文: "《建筑地基基础工程施工与质量验收实用手册》", 29 February 2004, 北京：中国建材工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763689A (en) * | 2021-01-11 | 2022-07-19 | 新疆北新路桥集团股份有限公司 | Rapid treatment method for highway diseases |
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